Cita APA (7th ed.)

Godschalk, D. R., & Godschalk , D. R. .. (1999). Natural Hazard mitigation ; recosting disaster policy and: Planning. D. C. Island Pr.

Cita Chicago (17th ed.)

Godschalk, David R., i David R ..... Godschalk. Natural Hazard Mitigation ; Recosting Disaster Policy and: Planning. Washington: D. C. Island Pr, 1999.

Cita MLA (9th ed.)

Godschalk, David R., i David R ..... Godschalk. Natural Hazard Mitigation ; Recosting Disaster Policy and: Planning. D. C. Island Pr, 1999.